{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["country of headquarters", "cities of residence", "members", "countries of residence"], "input": "His plantation was located approximately nine miles west of the capitol of Charleston West Virginia in what is now known as the historically black college town (  West Virginia State University  )  Institute  W.V ."}
{"country of headquarters": [], "cities of residence": [], "members": [], "countries of residence": []}